hemanth kumar
@hemanthkumar7
Staff Software Engineer specializing in petabyte-scale data platforms, query engines, and cloud-native architecture.
IndiaWhat I'm looking for
I am a Staff Software Engineer and Apache Hadoop Committer with around nine years of experience designing, building, and operating petabyte-scale distributed data platforms and real-time analytics systems.
I have led architecture and production deployments of hybrid multi-cloud lakehouse platforms, contributed performance optimizations to Apache Iceberg, and implemented cost-optimized compaction and metadata solutions that materially reduced refresh times and cloud storage costs.
As a technical lead and platform architect, I have managed and mentored engineering teams, owned release management responsibilities, and driven cross-functional initiatives to modernize data platforms using technologies like Trino, Pinot, Alluxio, and Iceberg.
I combine hands-on open-source leadership with enterprise production experience to deliver high-throughput streaming and OLAP solutions, optimize query processing, and enable scalable, governed data operations across cloud and on-premise environments.
Experience
Work history, roles, and key accomplishments
Staff Software Engineer
Visa
Jan 2021 - Present (5 years 2 months)
Architected and led Visa's hybrid multi-cloud lakehouse and GARP platform, migrating dimensional analytics to Pinot/Trino and reducing table refresh times from 10–13 hours to 1–2.2 hours while achieving sub-30s queries on multi-billion-row fact tables.
Senior Software Engineer
Huawei
Jun 2017 - Jan 2021 (3 years 7 months)
Engineered geo-distributed Hadoop availability zones and namenode scalability enhancements supporting up to 1 billion files, improving metadata handling and disaster recovery across regions.
Apache Hadoop Committer
Core committer and reviewer across the Apache Hadoop ecosystem and contributor to Apache Iceberg, driving stability, performance enhancements, and metadata/table-format improvements for production deployments.
Education
Degrees, certifications, and relevant coursework
Amrita Vishwa Vidyapeetham
Bachelor of Engineering, Computer Science and Engineering
2013 - 2017
Completed a Bachelor-level program in Computer Science and Engineering focused on software engineering and distributed systems.
Massachusetts Institute of Technology
Professional Certificate, Artificial Intelligence and Machine Learning
Completed a professional training program in Artificial Intelligence and Machine Learning covering deep learning, NLP, and recommender systems.
Availability
Location
IndiaAuthorized to work in
Job categories
Skills
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